2026年课时A计划八年级英语下册外研版第81页答案
Ⅰ. 根据句意用所给词的适当形式填空
1. He has learnt a lot of
survival
(survive) skills, including making a fire in the wild.
2. [熟词生义] My brother does exercise every day, so he is full of
energy
(energy).
3. The exam is too hard for me. I'll
probably
(probable) lose.
4. Poems speak highly of the beauty of Yangzhou,
especially
(especial) in spring.
5. Among all the shows, I loved the Little Star best because the kids sang so
sweetly
(sweet).
6. [2025·江苏连云港改编] Under the Three - North Shelterbelt Forest Programme, the forest area in China
has increased
(increase) by 320,000 km² since 1978.
7. With his
wisdom
(wise), he solved the difficult problem.
8. We should use fire
safely
(safe) and value our lives.

答案

1. survival 2. energy 3. probably 4. especially 5. sweetly 6. has increased 7. wisdom 8. safely

解析

【分析】
本题为英语词性转换与动词时态填空题,解题思路为:先根据空格在句中的成分(修饰名词、动词、介词短语等)判断所需词性,再结合语法规则(如时态标志)转换所给词的形式;若涉及动词,需根据时间状语确定时态并调整形式。
【解析】
1. 空格修饰名词skills,需用名词作定语,动词survive的名词形式为survival,故填survival。
2. 短语be full of后接名词,所给词energy本身为不可数名词,无需变形,故填energy。
3. 空格修饰动词lose,需用副词,形容词probable的副词形式为probably,故填probably。
4. 空格修饰介词短语in spring,需用副词,形容词especial的副词形式为especially,故填especially。
5. 空格修饰动词sang,需用副词,形容词sweet的副词形式为sweetly,故填sweetly。
6. 时间状语since 1978是现在完成时的标志,主语the forest area为单数,故用has increased,填has increased。
7. 形容词性物主代词his后需接名词,形容词wise的名词形式为wisdom,故填wisdom。
8. 空格修饰动词use,需用副词,形容词safe的副词形式为safely,故填safely。
【答案】
1. survival 2. energy 3. probably 4. especially 5. sweetly 6. has increased 7. wisdom 8. safely
【知识点】
词性转换、副词用法、现在完成时
【点评】
本题考查英语基础词性转换与动词时态,涵盖初中英语核心知识点,题型常规,侧重基础运用,学生需掌握词性变化规则与时态判断方法即可解答。
【难度系数】
0.6
Ⅱ. 根据汉语意思完成句子,每空一词
1. [2025·江苏连云港改编]西蒙对观鸟十分痴迷,每个周末都在湿地观察鸟类。
Simon
is
crazy
about
birdwatching. He spends every weekend studying the birds in the wetlands.
2. 福建省在湖南省的东边。
Fujian Province is
to
the
east
of
Hunan Province.
3. 只要明天天气好,我们就去野营。
As
long
as
it is fine tomorrow, we'll go camping.
4. 难怪他取得这么大的进步。他每天练习英语。
It's
no/small/little
wonder
that he has made so much progress. He practises English every day.
5. 多亏同班同学们的鼓励,我变得更勇敢。
Thanks
to
the encouragement of classmates, I become much braver.

答案

1. is crazy about 2. to the east of 3. As long as 4. It's no/small/little wonder 5. Thanks to

解析

【分析】
这类题需根据汉语意思,回忆对应的英语固定短语、句型或表达,同时结合语法规则(如主谓一致、介词搭配、连词用法等),确保填的词数与空数匹配。具体思路:1. 锁定“对…痴迷”的固定搭配,注意主语的be动词形式;2. 区分方位表达(外部不接壤的东边)的结构;3. 找到引导条件状语从句的“只要”短语;4. 回忆“难怪”的固定句型;5. 对应“多亏”的固定短语。
【解析】
1. “对…十分痴迷”的固定短语为be crazy about,主语Simon是第三人称单数,一般现在时,故填is crazy about;
2. 表示A在B外部的东边,用固定结构to the east of;
3. “只要”引导条件状语从句,用连词短语As long as;
4. “难怪”的固定句型为It's no wonder;
5. “多亏”的固定短语为Thanks to。
【答案】
1. is crazy about 2. to the east of 3. As long as 4. It's no wonder 5. Thanks to
【知识点】
固定短语搭配、方位表达、条件状语从句
【点评】
本题为基础题型,考查英语常用固定短语、句型及方位表达,需学生熟练掌握核心搭配,注意语法细节,难度适中,利于巩固基础。
【难度系数】
0.3
Ⅰ. 完形填空
Bad news! The world's oceans have become darker 1 the past 20 years. A new study shows that between 2003 and 2022, 21 percent of our oceans became darker. This has made the photic zone (透光带) less deep by more than 50 metres.
The photic zone is the top layer (层) of the ocean where sunlight can 2. It's usually about 200 metres deep. Ninety percent of sea animals live in this zone because they need sunlight for photosynthesis (光合作用), which is 3 for their lives. Sea animals also use 4 for many other things, such as finding food and mating (交配).
Darker oceans can 5 serious problems. As the photic zone becomes smaller, the living space for sea life becomes smaller too. This means sea animals need to 6 more with each other for food.
More 7, the darkening of large ocean areas is a "worrying trend (趋势)". Professor Oliver Zielinski at the Leibniz Institute for Baltic Sea Research in Germany told The Guardian. He said that it can 8 the food chain (食物链) in the sea, change how sea animals live and make it harder for the ocean to help control the climate and support life.
9 scientists don't know why the sea is getting darker, they have some ideas. Rain might 10 sediment (沉淀物) from the coast into the sea, helping plankton (浮游生物) grow and stopping light from reaching the ocean.
(
A
)1. A. over
B. with
C. as
D. among
(
C
)2. A. get
B. become
C. reach
D. change
(
B
)3. A. crowded
B. important
C. exciting
D. interesting
(
A
)4. A. light
B. wind
C. air
D. water
(
B
)5. A. stick to
B. lead to
C. spring up
D. bring back
(
D
)6. A. practise
B. appear
C. join
D. fight
(
A
)7. A. unluckily
B. suddenly
C. probably
D. recently
(
C
)8. A. drive
B. fix
C. hurt
D. improve
(
B
)9. A. Because
B. Although
C. Since
D. While
(
B
)10. A. turn
B. carry
C. put
D. lend

答案

1~5 ACBAB 6~10 DACBB

解析

【分析】做完形填空需先通读全文把握主旨,再结合语境、词汇词义、固定搭配及逻辑关系逐一分析选项。第1空考查固定搭配;第2、3、4、5、6、7、8、10空考查动词、名词、形容词、副词的词义辨析;第9空考查连词的逻辑用法,需结合上下文逻辑判断。
【解析】1. 固定搭配“over the past+时间段”表示“在过去的……期间”,是常用表达,故选A。
2. 动词词义辨析:透光带是阳光能到达的海洋顶层,reach意为“到达”,符合语境,故选C。
3. 形容词词义辨析:光合作用对海洋生物的生命很重要,important意为“重要的”,故选B。
4. 名词词义辨析:前文提到阳光,此处指海洋生物利用光觅食、交配,light意为“光”,故选A。
5. 动词短语辨析:lead to意为“导致”,变暗的海洋会引发严重问题,符合语境,故选B。
6. 动词词义辨析:fight with sb for sth意为“为某物与某人竞争”,此处指海洋生物为食物竞争,故选D。
7. 副词词义辨析:unluckily意为“不幸地”,承接前文问题,强调更令人担忧的情况,故选A。
8. 动词词义辨析:hurt意为“伤害”,海洋变暗会破坏海洋食物链,故选C。
9. 连词词义辨析:although表让步,意为“虽然”,符合“虽不知原因但有相关推测”的逻辑,故选B。
10. 动词词义辨析:carry意为“携带”,雨水携带海岸沉淀物进入海洋,符合语境,故选B。
【答案】1~5 ACBAB 6~10 DACBB
【知识点】词汇辨析、固定搭配、连词用法
【点评】本文为科普类完形填空,围绕海洋变暗的现象展开,侧重考查学生对词汇词义、固定搭配及上下文逻辑关系的理解,解题需结合语篇语境分析选项,难度适中。
【难度系数】0.5